A and B are two metals with threshold frequencies 1.8 x 10¹⁴ Hz and 2.2 x 10¹⁴ Hz.

A And B Are Two Metals With Threshold Frequencies 18 Physics Question

A and B are two metals with threshold frequencies 1.8 x 10¹⁴ Hz and 2.2 x 10¹⁴ Hz. Two identical photons of energy 0.825 eV each are incident on them. Then photoelectrons are emitted in (Take h=6.6 x 10³⁴ Js)

Options

(a) B alone
(b) A alone
(c) neither A nor B
(d) both A and B

Correct Answer:

A alone

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)

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